Public Storage, a Real Estate Investment Trust (REIT) included in the S&P 500 and FT Global 500 indices, specializes in acquiring, developing, owning, and managing self-storage facilities. As of September 30, 2020, its extensive portfolio comprised: (i) interests in 2,504 self-storage properties located across 38 U. S. states, providing approximately 171 million net rentable square feet; (ii) an approximate 35% common equity stake in Shurgard Self Storage SA (Euronext Brussels:SHUR), which at that time operated 239 self-storage locations under the "Shurgard" brand, encompassing about 13 million net rentable square feet across seven Western European nations; and (iii) a roughly 42% common equity interest in PS Business Parks, Inc. (NYSE:PSB), which owned and managed around 28 million rentable square feet of commercial real estate.